Gaping Dragon

({p/b} can be paid with either {b} or 2 life.)
When Gaping Dragon comes onto the battlefield Exile all opponents artifacts, and whenever Gaping Dragon leaves the battlefield bring those artifacts back.
Bestow 7 (If you cast this card for its bestow cost, it's an aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Enchanted creature gains protection from artifacts and +2/+2.